Spectroscopic investigations of HBV 475 in optical regions

Details Spectroscopic investigations of HBV 475 in optical regions Spectroscopic investigations of HBV 475 in optical regions

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pasp..101..250t&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 101, March 1989, p. 250-257.

Other

9

Astronomical Spectroscopy, Emission Spectra, Symbiotic Stars, H Alpha Line, H Gamma Line, Helium, Iron, Oxygen Spectra, Radial Velocity

Scientific paper

High-resolution spectroscopic analyses of HBV 475 are presented based on emission-line profiles of H-alpha, H-gamma, He I 4921-A, He I 5016-A, forbidden O III 4959-A, 5007-A, Fe II 5018-A, and Fe II 4924-A. Radial-velocity analyses show that only a part of the line components coincides well with previous measurements. Other remarkable components are found which are shifted to either the violet or red sides, depending on the indicated phase. Highly resolved emission-line profiles reveal that they are not compatible with the calculated profiles of proposed theoretical models.

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